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Fig. 4G —63-year-old man on hemodialysis for 31 years for chronic
glomerulonephritis with biopsy-proven dialysis-related amyloidosis. Sagittal
T2-weighted MR image (4,280/121) of cervical spine shows pseudotumor
(straight arrow) encasing odontoid process. Lesion shows low signal
intensity. Erosion in anterior aspect of odontoid process (white
arrowhead) is also present. Erosive spondyloarthropathy with
anterolisthesis of body of C3 on C4 is obvious in intervertebral level C3/C4
(curved arrow). Low signal in T2-weighted images is present, which
allows exclusion of infection. Note also amyloid deposits (black
arrowheads) at site of dorsal ligament structures.
